Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Collapse Assessment of Buildings with Engineered Cementitious Composites Beam-Column Joints
Engineered cementitious composites (ECCs) are advanced materials with enhanced mechanical properties that have the potential to replace conventional concrete in the construction industry. The use of ECCs in RC buildings has numerous benefits, including enhanced ductility and toughness, which can lead to improved building performance in the face of natural disasters such as earthquakes and hurricanes. In this study, a nonlinear time history analysis was conducted using the Endurance Time method (ETM) to evaluate the collapse performance of an RC building with ECC beam-column joints. The ETM is an incremental dynamic analysis and is used due to its efficiency and reliable results in nonlinear analysis of the building. The collapse cost of the building was calculated using the FEMA P-58 method, taking into account both direct and indirect costs. In this study, this method has been applied using the intensity-based procedure, which considers seismic damages in different intensity levels to calculate the total loss of the structure. In the nonlinear modeling of the buildings, concentrated plastic hinges were used to model the nonlinear behavior of the elements, such as beams and columns. The use of concentrated plastic hinges allows for a more accurate representation of the actual behavior of the structure during an earthquake and can provide insight into the mechanisms of its collapse. The results showed that, while the maximum drift of the building increased due to high ductility, the collapse capacity was improved compared to conventional concrete. The use of ECCs in the beam-column joints significantly reduced the collapse cost and decreased the risk of injury to building occupants. The study highlights the potential of ECCs in enhancing the collapse performance of RC buildings and the importance of considering advanced materials in the design and construction process.
Collapse Assessment of Buildings with Engineered Cementitious Composites Beam-Column Joints
Engineered cementitious composites (ECCs) are advanced materials with enhanced mechanical properties that have the potential to replace conventional concrete in the construction industry. The use of ECCs in RC buildings has numerous benefits, including enhanced ductility and toughness, which can lead to improved building performance in the face of natural disasters such as earthquakes and hurricanes. In this study, a nonlinear time history analysis was conducted using the Endurance Time method (ETM) to evaluate the collapse performance of an RC building with ECC beam-column joints. The ETM is an incremental dynamic analysis and is used due to its efficiency and reliable results in nonlinear analysis of the building. The collapse cost of the building was calculated using the FEMA P-58 method, taking into account both direct and indirect costs. In this study, this method has been applied using the intensity-based procedure, which considers seismic damages in different intensity levels to calculate the total loss of the structure. In the nonlinear modeling of the buildings, concentrated plastic hinges were used to model the nonlinear behavior of the elements, such as beams and columns. The use of concentrated plastic hinges allows for a more accurate representation of the actual behavior of the structure during an earthquake and can provide insight into the mechanisms of its collapse. The results showed that, while the maximum drift of the building increased due to high ductility, the collapse capacity was improved compared to conventional concrete. The use of ECCs in the beam-column joints significantly reduced the collapse cost and decreased the risk of injury to building occupants. The study highlights the potential of ECCs in enhancing the collapse performance of RC buildings and the importance of considering advanced materials in the design and construction process.
Collapse Assessment of Buildings with Engineered Cementitious Composites Beam-Column Joints
Lecture Notes in Civil Engineering
Desjardins, Serge (Herausgeber:in) / Poitras, Gérard J. (Herausgeber:in) / Alam, M. Shahria (Herausgeber:in) / Sanchez-Castillo, Xiomara (Herausgeber:in) / Karami, Mostafa (Autor:in) / Anwar Hossain, Khandaker M. (Autor:in) / Lachemi, Mohamed (Autor:in)
Canadian Society of Civil Engineering Annual Conference ; 2023 ; Moncton, NB, Canada
15.09.2024
12 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch